How far is Mount Rainier, MD from Fort Washington, MD?

The driving distance from Mount Rainier, MD to Fort Washington, MD is about 23.4 miles (37.7 km), with a travel time of about 00h 40m by car.

  • The straight-line flight distance is about 16.5 miles (26.5 km).
  • For a round trip, plan for roughly 01h 21m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
23.44 mi
00h 40m
Flight
16.48 mi
26.52 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Mount Rainier.

Flight Distance

Direct air line
16.48 mi
Kilometers
26.52 km
Flight Time
00h 01m

Driving Distance

Road route
23.44 mi
Kilometers
37.73 km
Drive Time
00h 40m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 00h 40m.

Arrival Snapshot
Arrive in Fort Washington
Sun, Apr 19, 12:47 PM EDT
Return by in Mount Rainier
Sun, Apr 19, 1:27 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Mount Rainier
2026-04-19T12:06
Arrive Fort Washington
Sun, Apr 19, 12:47 PM EDT
Route Timing
00h 40m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:41 AM to 7:41 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:08 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Mount Rainier
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Forest Heights
MD

Town in Maryland, United States

From Mount Rainier
10.7 mi
00h 20m
To Fort Washington
12.8 mi
00h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
63°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
12 to 17 mph NW
Destination
64°F
Sunday

Rain Showers

Starts
Sun, Apr 19 6:00 AM EDT
Wind
10 to 17 mph NW

Driving Route Map

The map below follows the saved road route between Mount Rainier and Fort Washington.

Turn-by-Turn Driving Directions

Step-by-step road directions between Mount Rainier and Fort Washington.

  1. 1

    Start on 31st Street

    1821 ft · 1 min · 31st Street

  2. 2

    Turn right onto Perry Street

    58 m · 14 sec · Perry Street

  3. 3

    Turn sharp left onto Eastern Avenue Northeast

    665 ft · 19 sec · Eastern Avenue Northeast

  4. 4

    Turn right onto Rhode Island Avenue Northeast

    1.5 mi · 4 min · Rhode Island Avenue Northeast

  5. 5

    Turn left onto Brentwood Road Northeast

    1037 ft · 20 sec · Brentwood Road Northeast

  6. 6

    Enter the roundabout and take exit 1 toward Brentwood Road Northeast

    32 m · 2 sec · Brentwood Road Northeast

  7. 7

    Exit the roundabout onto Brentwood Road Northeast

    1784 ft · 34 sec · Brentwood Road Northeast

  8. 8

    Continue on 9th Street Northeast

    1092 ft · 22 sec · 9th Street Northeast

  9. 9

    Continue on 9th Street Bridge

    689 ft · 12 sec · 9th Street Bridge

  10. 10

    Continue on Brentwood Parkway Northeast

    1754 ft · 34 sec · Brentwood Parkway Northeast

  11. 11

    Continue on 6th Street Northeast

    1422 ft · 31 sec · 6th Street Northeast

  12. 12

    Turn left onto Florida Avenue Northeast

    1115 ft · 44 sec · Florida Avenue Northeast

  13. 13

    Turn right onto 8th Street Northeast

    1 mi · 2 min · 8th Street Northeast

  14. 14

    Continue on 8th Street Southeast

    1.3 km · 2 min · 8th Street Southeast

  15. 15

    Take the ramp left toward I 695 East

    970 ft · 24 sec

  16. 16

    Merge slight left onto Southeast Freeway

    2168 ft · 41 sec · Southeast Freeway

  17. 17

    Continue on Southeast Freeway

    2683 ft · 56 sec · Southeast Freeway

  18. 18

    Merge slight left onto Anacostia Freeway

    5.7 mi · 8 min · Anacostia Freeway

  19. 19

    Keep slight right to continue on Indian Head

    1.6 km · 2 min

  20. 20

    Keep slight left to continue on MD 210 South

    1391 ft · 34 sec

  21. 21

    Merge slight left onto Indian Head Highway

    5.7 mi · 9 min · Indian Head Highway

  22. 22

    Turn right onto Old Fort Road

    1.4 mi · 3 min · Old Fort Road

  23. 23

    Turn left onto Washington Drive

    1057 ft · 47 sec · Washington Drive

  24. 24

    Continue on Diggers Lane

    1011 ft · 49 sec · Diggers Lane

  25. 25

    At the end of the road, turn left onto Reid Lane

    96 m · 17 sec · Reid Lane

  26. 26

    Turn right onto Warburton Drive

    748 ft · 33 sec · Warburton Drive

  27. 27

    Arrive at your destination

    0 m · 1 sec · Warburton Drive

Car Route Details

A richer read on the saved driving route between Mount Rainier and Fort Washington.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
27 steps
12 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
115.4 / 100 mi
Decision points by distance
Main Roads
Indian Head Highway
5.73 mi · 24%
Anacostia Freeway
5.66 mi · 24%
Rhode Island Avenue Northeast
1.54 mi · 7%
Old Fort Road
1.45 mi · 6%
8th Street Northeast
1.03 mi · 4%
Indian Head
0.97 mi · 4%
Longest Stretch

Indian Head Highway

Merge slight left onto Indian Head Highway

5.73 mi · 00h 09m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 40m
Quick drive
Same-Day Return
01h 22m
Round-trip wheel time
Road vs Air
+6.9 mi
16.5 mi direct line
Halfway Stop
Forest Heights
00h 20m from Mount Rainier
Leave By
7:08 PM EDT
Flexible departure
Weather Watch

Rain Showers leaving Mount Rainier and Rain Showers near Fort Washington.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Mount Rainier to Fort Washington?

The road trip is about 23.4 miles (37.7 km) and usually takes 00h 40m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Forest Heights is a useful midpoint, sitting about 10.7 miles from Mount Rainier and 12.8 miles from Fort Washington.

How much longer is the road route than the straight-line distance?

The direct path is about 16.5 miles (26.5 km), while the road route adds roughly 6.9 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:08 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.39 one way or $6.78 round trip. Estimated CO2 is about 7.4 kg one way.

What should you check before leaving?

Before you leave, expect Rain Showers around Mount Rainier and Rain Showers near Fort Washington.

Stop Ideas Near Forest Heights

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Forest Heights and the surrounding midpoint area.
United States Capitol
Scenic stop 5.1 mi away

United States Capitol

Washington , DC
First St SE, Washington, DC 20004, United States
Rating 4.6/5 4,243 reviews Tourist attraction,Historical place,Historical landmark,Landmark,Federal government office
Stop photo coming soon
Practical stop 6.5 mi away

D C Government

Washington , DC
77 P St NE, Washington, DC 20002
Rating 5.0/5 2 reviews City government office,Telephone answering service
THEARC: Town Hall Education Arts Recreation Campus
Meeting point 3 mi away

THEARC: Town Hall Education Arts Recreation Campus

Washington , DC
1901 Mississippi Ave SE, Washington, DC 20020
Rating 4.7/5 64 reviews Recreation center,City Hall
Town Hall Liquor And Bar
Nearby stop 12.9 mi away

Town Hall Liquor And Bar

College Park , MD
8135 Baltimore Ave, College Park, MD 20740
Rating 4.3/5 319 reviews Liquor store,Bar

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Forest Heights.

RAIL

Union Station

6 mi away
110 Callahan Drive
RAIL

Washington Union Station

10 mi away
50 Massachusetts Ave NE
RAIL

New Carrollton station

20 mi away
4300 Garden City Drive
RAIL

Lorton station

23 mi away
8006 Lorton Road

Flight Path Map

This map shows the direct air route between Mount Rainier and Fort Washington. Straight-line distance: 16.48 mi (26.52 km).

Mount Rainier

#1 Mount Rainier

Stratovolcano in the U.

Population8,117
Coordinates38.9415000, -76.9649800
Altitude23
CountryUnited States
Fort Washington

#2 Fort Washington

Unincorporated community in Prince George's County, Maryland, United States

Population24,183
Coordinates38.7073400, -77.0230300
Altitude32
CountryUnited States
Start: 31st Street (-76.964966, 38.941502)
End: Warburton Drive (-77.022819, 38.707437)

Estimated Travel Time

Distance: 38 km by road

SpeedTime
30 mph (48.3 km/h)00h 46m
40 mph (64.37 km/h)00h 35m
50 mph (80.47 km/h)00h 28m
60 mph (96.56 km/h)00h 23m
70 mph (112.65 km/h)00h 20m
80 mph (129 km/h)00h 17m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.83 gal
3.13 L · about $3.39
Round trip
$6.78
1.66 gal · 6.26 L
Estimated CO2
7.4 kg one way
Round trip: 14.8 kg / 33 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.09 $3.39 $6.78
Mid-grade $4.60 $3.82 $7.63
Premium $4.95 $4.11 $8.22
Diesel $5.98 $4.96 $9.93

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Maryland · Apr 19, 2026

There is no time difference between Mount Rainier and Fort Washington. The current time is 12:06:29.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.